<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>作用域</title>
</head>
<body>
    <h1>圣体</h1>
    <script src="demo7.js"></script>
    <script src="demo8.js"></script>

    <script>

       demo6()
    </script>
</body>
</html>